Using dark or light mode is just one piece of the puzzle for strain-free screen use. Remember the 20-20-20 rule: Every 20 minutes, look at something 20 feet away for at least 20 seconds.

Since iOS 13, the iPad has had Dark Mode, which could have a slight effect on battery life due to lesser general brightness. With the iPad Pro M4, Dark Mode can significantly extend the battery ...

While many Android users prefer to use dark mode all the time, others prefer it exclusively in the evening and night. That's where the "sunset to sunrise" schedule comes into play: On many devices ...

Devices such as mobile phones and laptops are the largest contributor to media-related emissions, and some previous studies have shown these use less energy in dark mode than in light mode. But to ...